985934975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21283}}^1$

素因数の和:21419

約数の個数: 24

約数和(自身を含む): 1306411920

約数和(自身を除く): 320476945

約数列:

[1, 5, 17, 25, 85, 109, 425, 545, 1853, 2725, 9265, 21283, 46325, 106415, 361811, 532075, 1809055, 2319847, 9045275, 11599235, 39437399, 57996175, 197186995, 985934975]

約数ペア:

[(1, 985934975), (5, 197186995), (17, 57996175), (25, 39437399), (85, 11599235), (109, 9045275), (425, 2319847), (545, 1809055), (1853, 532075), (2725, 361811), (9265, 106415), (21283, 46325)]